.woodpecker.yml: add CI file

.github/workflows/main.yml

@@ -1,15 +0,0 @@
-name: Shellcheck
-
-on: [push, pull_request]
-
-jobs:
-  build:
-
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v1
-    - name: Run shellcheck.
-      run: |
-        shopt -s nullglob
-        shellcheck */*/build */*/post-install

.github/workflows/mirror.yml

@@ -1,18 +0,0 @@
-name: Mirroring
-
-on: [push, delete]
-
-jobs:
-  to_codeberg:
-    runs-on: ubuntu-latest
-    if: ${{ github.ref_name == 'master' && !github.event.pull_request }}
-    steps:
-      - uses: actions/checkout@v2
-        with:
-          fetch-depth: 0
-      - uses: pixta-dev/repository-mirroring-action@v1
-        with:
-          target_repo_url:
-              git@codeberg.org:kiss-community/repo
-          ssh_private_key:
-                ${{ secrets.CODEBERG_DEPLOY_KEY }}

.woodpecker.yml

@@ -0,0 +1,9 @@
+pipeline:
+  build:
+    image: alpine
+    when:
+      branch: [ master ]
+    commands: |
+      apk add --no-cache shellcheck
+
+      find ./* -type f -name build -o -name post-\* -o -name pre-\* | sed 's/[^[:alnum:]]/\\\\&/g' | xargs shellcheck